"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : SQL_DDL_Drop_Owned
Case Name   : 执行REASSIGN OWNED需要有原用户和目标用户上的权限
Create At   : 2022/08/26
Owner       : @li-xin12345
Description :
    1.创建用户
    2.普通用户1和管理员用户3分别创建表
    3.执行用户无原用户和目标用户上的权限
    4.赋予执行用户原用户和目标用户上的权限，再次执行修改属主
    5.管理员用户将管理员用户所拥有的对象属主改为普通用户
    （执行用户有原用户和目标用户上的权限）
    6.删除表，删除用户
Expect      :
    1.创建成功
    2.创建成功
    3.合理报错
    4.修改成功
    5.修改成功
    6.删除成功
History     :
    Modified by @kyeleze 2022/11/17:优化用例，保证\d查询结果匹配
"""
import os
import unittest
from testcase.utils.Logger import Logger
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from yat.test import macro


class DropOwned(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f"-----{os.path.basename(__file__)} start-----")
        self.primary_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.user_name_1 = 'u_reassign_owned_0005_1'
        self.user_name_2 = 'u_reassign_owned_0005_2'
        self.user_name_3 = 'u_reassign_owned_0005_3'
        self.user_name_4 = 'u_reassign_owned_0005_4'
        self.table_name_1 = 't_reassign_owned_0005_1'
        self.table_name_2 = 't_reassign_owned_0005_2'

    def test_drop_owned(self):
        text = "-----step1:创建用户;expect:创建成功-----"
        self.logger.info(text)
        create_user = f"drop user if exists {self.user_name_1}," \
            f"{self.user_name_2},{self.user_name_3},{self.user_name_4};" \
            f"create user {self.user_name_1} " \
            f"with password '{macro.COMMON_PASSWD}';" \
            f"grant create any table to {self.user_name_1};" \
            f"create user {self.user_name_2} " \
            f"with password '{macro.COMMON_PASSWD}';" \
            f"create user {self.user_name_3} " \
            f"sysadmin password '{macro.COMMON_PASSWD}';" \
            f"create user {self.user_name_4} " \
            f"sysadmin password '{macro.COMMON_PASSWD}';"
        create_msg = self.primary_sh.execut_db_sql(create_user)
        self.logger.info(create_msg)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG,
                      create_msg, '执行失败' + text)
        self.assertIn(self.constant.GRANT_SUCCESS_MSG,
                      create_msg, '执行失败' + text)
        self.assertEquals(4, create_msg.count(
            self.constant.CREATE_ROLE_SUCCESS_MSG), '执行失败' + text)

        text = "-----step2:普通用户1和管理员用户3分别创建表;expect:创建成功-----"
        self.logger.info(text)
        sql_cmd = f"drop table if exists {self.table_name_1};" \
            f"create table public.{self.table_name_1}" \
            f"(id int, name varchar(15));" \
            f"insert into {self.table_name_1} values(1, '软件开发');"
        sql_msg = self.primary_sh.execut_db_sql(
            sql_cmd, f'-U {self.user_name_1} -W \'{macro.COMMON_PASSWD}\'')
        self.logger.info(sql_msg)
        self.assertIn(self.constant.TABLE_DROP_SUCCESS,
                      sql_msg, '执行失败' + text)
        self.assertIn(self.constant.TABLE_CREATE_SUCCESS,
                      sql_msg, '执行失败' + text)
        self.assertIn(self.constant.INSERT_SUCCESS_MSG,
                      sql_msg, '执行失败' + text)
        sql_msg = self.primary_sh.execut_db_sql(
            '\\d', f'-U {self.user_name_1} -W \'{macro.COMMON_PASSWD}\'')
        self.logger.info(sql_msg)
        self.assertGreater(len(sql_msg.splitlines()), 2, '执行失败' + text)
        self.assertIn(self.table_name_1, sql_msg.splitlines()[-2],
                      '执行失败' + text)
        self.assertIn(self.user_name_1, sql_msg.splitlines()[-2],
                      '执行失败' + text)
        sql_cmd = f"drop table if exists {self.table_name_2};" \
            f"create table public.{self.table_name_2}" \
            f"(id int, name varchar(15));" \
            f"insert into {self.table_name_2} " \
            f"values(1, '软件开发'),(2, '软件测试');"
        sql_msg = self.primary_sh.execut_db_sql(
            sql_cmd, f'-U {self.user_name_3} -W \'{macro.COMMON_PASSWD}\'')
        self.logger.info(sql_msg)
        self.assertIn(self.constant.TABLE_DROP_SUCCESS,
                      sql_msg, '执行失败' + text)
        self.assertIn(self.constant.TABLE_CREATE_SUCCESS,
                      sql_msg, '执行失败' + text)
        self.assertIn(self.constant.INSERT_SUCCESS_MSG,
                      sql_msg, '执行失败' + text)
        sql_msg = self.primary_sh.execut_db_sql(
            '\\d', f'-U {self.user_name_3} -W \'{macro.COMMON_PASSWD}\'')
        self.logger.info(sql_msg)
        self.assertGreater(len(sql_msg.splitlines()), 2, '执行失败' + text)
        self.assertIn(self.table_name_2, sql_msg.splitlines()[-2],
                      '执行失败' + text)
        self.assertIn(self.user_name_3, sql_msg.splitlines()[-2],
                      '执行失败' + text)

        text = "-----step3:执行用户无原用户和目标用户上的权限;expect:合理报错-----"
        self.logger.info(text)
        sql_cmd = f"reassign owned by {self.user_name_1} " \
            f"to {self.user_name_2};"
        sql_msg = self.primary_sh.execut_db_sql(
            sql_cmd, f'-U {self.user_name_2} -W \'{macro.COMMON_PASSWD}\'')
        self.logger.info(sql_msg)
        self.assertIn(self.constant.PERMISSION_DENY_MSG,
                      sql_msg, '执行失败' + text)

        text = "-----step4:赋予执行用户原用户和目标用户上的权限，" \
               "再次执行修改属主;expect:修改成功-----"
        self.logger.info(text)
        sql_cmd = f"grant all privileges to {self.user_name_2};"
        sql_msg = self.primary_sh.execut_db_sql(sql_cmd)
        self.logger.info(sql_msg)
        self.assertIn(self.constant.ALTER_ROLE_SUCCESS_MSG,
                      sql_msg, '执行失败' + text)
        sql_cmd = f"reassign owned by {self.user_name_1} " \
            f"to {self.user_name_2};"
        sql_msg = self.primary_sh.execut_db_sql(
            sql_cmd, f'-U {self.user_name_2} -W \'{macro.COMMON_PASSWD}\'')
        self.logger.info(sql_msg)
        self.assertIn(self.constant.reassign_owned_success,
                      sql_msg, '执行失败' + text)
        sql_msg = self.primary_sh.execut_db_sql(
            '\\d', f'-U {self.user_name_2} -W \'{macro.COMMON_PASSWD}\'')
        self.logger.info(sql_msg)
        self.assertGreater(len(sql_msg.splitlines()), 3, '执行失败' + text)
        self.assertIn(self.table_name_1, sql_msg.splitlines()[-3],
                      '执行失败' + text)
        self.assertIn(self.user_name_2, sql_msg.splitlines()[-3],
                      '执行失败' + text)

        text = "-----step5:管理员用户将管理员用户所拥有的对象属主改为普通用户" \
               "（执行用户有原用户和目标用户上的权限）;expect:修改成功-----"
        self.logger.info(text)
        sql_cmd = f"reassign owned by {self.user_name_3} " \
            f"to {self.user_name_1};"
        sql_msg = self.primary_sh.execut_db_sql(
            sql_cmd, f'-U {self.user_name_4} -W \'{macro.COMMON_PASSWD}\'')
        self.logger.info(sql_msg)
        self.assertIn(self.constant.reassign_owned_success,
                      sql_msg, '执行失败' + text)
        sql_msg = self.primary_sh.execut_db_sql(
            '\\d', f'-U {self.user_name_4} -W \'{macro.COMMON_PASSWD}\'')
        self.logger.info(sql_msg)
        self.assertGreater(len(sql_msg.splitlines()), 2, '执行失败' + text)
        self.assertIn(self.table_name_2, sql_msg.splitlines()[-2],
                      '执行失败' + text)
        self.assertIn(self.user_name_1, sql_msg.splitlines()[-2],
                      '执行失败' + text)

    def tearDown(self):
        text = "-----step6:删除表，删除用户，expect:删除成功-----"
        self.logger.info(text)
        drop_cmd = f"drop table {self.table_name_1};" \
            f"drop table {self.table_name_2};" \
            f"drop user {self.user_name_1} cascade;" \
            f"drop user {self.user_name_2} cascade;" \
            f"drop user {self.user_name_3} cascade;" \
            f"drop user {self.user_name_4} cascade;"
        drop_msg = self.primary_sh.execut_db_sql(drop_cmd)
        self.logger.info(drop_msg)
        self.assertEquals(2, drop_msg.count(self.constant.TABLE_DROP_SUCCESS),
                          '执行失败' + text)
        self.assertEquals(4, drop_msg.count(
            self.constant.DROP_ROLE_SUCCESS_MSG), '执行失败' + text)
        self.logger.info(f"-----{os.path.basename(__file__)} end-----")
